.tree li {
    cursor: pointer;
    padding-left: 1.3em;
}

.tree ul {
    list-style: none;
    padding-left: 0;
}

.intermediate {
    opacity: 0.3;
}

.hidden {
    display: none;
}

ul.list-inline {
    list-style: none;
}

ul.list-inline li {
    display: inline-block;
    float: left;
}